NPPES file of Aug 9, 2026

Alan Ken Matsumoto, M.D.

Rheumatology Physician · Wheaton, MD

Alan Ken Matsumoto, M.D. is a rheumatology physician with a practice address in Wheaton, Maryland, and NPI 1043219298, issued on Jul 19, 2005. Check the license (Maryland D0036867, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043219298
Name
Alan Ken Matsumoto
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
D0036867 MD
Self-reported in NPPES; status is on the state search
Practice location
2730 University Blvd W, Wheaton, MD 20902
Phone
(301) 942-7600
Enumerated
Jul 19, 2005
Record last updated
Mar 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(301) 942-3132
Medicaid ID
090361200 MD
Medicare enrollment
Enrolled (PECOS I20050817000806); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1985
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2730 University Blvd W

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nawraz Alan, M.D.Anesthesiology Physician1326364415
  2. Brian Avin, M.D.Specialist1851379754
  3. Cheryl Aylesworth, M.D.Specialist1386655603
  4. Andrew BanksPhysical Therapy Assistant1689027146
  5. Herbert Baraf, M.D.Rheumatology Physician1063411494
  6. Radhika Bommakanti, MDAnesthesiology Physician1588622310

Verify Alan Ken Matsumoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0036867
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

20% more Medicare Part D claims than the average rheumatology physician in 2024

2,372 Medicare Part D claims for 405 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 80 claims were for opioids.

  1. Alan Matsumoto2,372
  2. Specialty average1,978

Most prescribed

  1. Methotrexate511 claims
  2. Prednisone300 claims
  3. Hydroxychloroquine Sulfate132 claims
  4. Celecoxib127 claims
  5. Gabapentin100 claims
  6. Alendronate Sodium94 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%23.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $27,615.05

95 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Matsumoto$27,615
  2. Specialty average$8,538

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Arthritis And Rheumatism Associates PCRockville, MD
  2. Suburban/nrh Medical Rehabilitation IncBethesda, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

5 rheumatology physician records list a practice address in Wheaton

They are 5 of the 203 NPPES records with a practice address in Wheaton, and 214 rheumatology physician records in Maryland.

Other rheumatology physician records in Maryland

  1. Jonathan Adelson, M.D.Greenbelt, MD1700864501
  2. Naila Ahmad, MDEaston, MD1366451619
  3. Grace Ahn, M.D.Rockville, MD1982884896
  4. Ashika Ajitkumar, MDBaltimore, MD1659044436
  5. Maria Alba-Dauhajre, MDSilver Spring, MD1487676458
  6. Jemima Felicity Albayda, MDBaltimore, MD1285955765
  7. Shabnam Ali, M.D.Columbia, MD1487837837
  8. Dareen Almanabri, M.D.Hollywood, MD1679869051
  9. Mariam Ameri, MDAnnapolis, MD1588807861
  10. Brendan Antiochos, M.D.Baltimore, MD1174799092

Common questions

What is Alan Ken Matsumoto, M.D.'s NPI number?

Alan Ken Matsumoto, M.D.'s National Provider Identifier (NPI) is 1043219298, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alan Ken Matsumoto, M.D. located?

The NPPES record lists a practice address at 2730 University Blvd W, Wheaton, MD, 20902. Phone: (301) 942-7600. Providers update this record themselves, so call before visiting.

How can I verify Alan Ken Matsumoto, M.D.'s license?

NPPES lists Maryland license number D0036867, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alan Ken Matsumoto, M.D. prescribe under Medicare Part D?

In 2024, Alan Ken Matsumoto, M.D. had 2,372 Medicare Part D claims for 405 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Alan Ken Matsumoto, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.